From c4e61feb704f994bff6f6416e4a012704eec2cf0 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 08:59:56 -0400
Subject: [PATCH 01/46] use frameTime to determine sleep length

---
 afsk/main.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index d19fd70b..ed8f7dd7 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -148,6 +148,7 @@ float voltageThreshold = 3.5, batteryVoltage = 4.5, batteryCurrent = 0, currentT
 float latitude = 39.027702f, longitude = -77.078064f;
 float lat_file, long_file;
 double cpuTemp;
+int frameTime;
 
 float axis[3], angle[3], volts_max[3], amps_max[3], batt, speed, period, tempS, temp_max, temp_min, eclipse;
 int i2c_bus0 = OFF, i2c_bus1 = OFF, i2c_bus3 = OFF, camera = OFF, sim_mode = FALSE, SafeMode = FALSE, rxAntennaDeployed = 0, txAntennaDeployed = 0;
@@ -580,9 +581,11 @@ int main(int argc, char * argv[]) {
 
       samplePeriod =  (int) (((float)((syncBits + 10 * (headerLen + rsFrames * (rsFrameLen + parityLen)))) / (float) bitRate) * 1000 - 500);
       sleepTime = 0.1f;
-
-      printf("\n FSK Mode, %d bits per frame, %d bits per second, %f seconds per frame, %d ms sample period\n",
-        bufLen / (samples * frameCnt), bitRate, (float)((float)bufLen / (samples * frameCnt * bitRate)), samplePeriod);
+	   
+      frameTime = ((float)((float)bufLen / (samples * frameCnt * bitRate))) * 1000; // frame time in ms
+	      
+      printf("\n FSK Mode, %d bits per frame, %d bits per second, %d ms per frame, %d ms sample period\n",
+        bufLen / (samples * frameCnt), bitRate, frameTime, samplePeriod);
     } else if (mode == BPSK) {
       bitRate = 1200;
       rsFrames = 3;
@@ -602,9 +605,11 @@ int main(int argc, char * argv[]) {
       //    sleepTime = 3.0;
       samplePeriod = 2200; // reduce dut to python and sensor querying delays
       sleepTime = 2.2f;
+	   
+      frameTime = ((float)((float)bufLen / (samples * frameCnt * bitRate))) * 1000; // frame time in ms
 
-      printf("\n BPSK Mode, bufLen: %d,  %d bits per frame, %d bits per second, %f seconds per frame %d ms sample period\n",
-        bufLen, bufLen / (samples * frameCnt), bitRate, (float)((float)bufLen / (samples * frameCnt * bitRate)), samplePeriod);
+      printf("\n BPSK Mode, bufLen: %d,  %d bits per frame, %d bits per second, %d ms per frame %d ms sample period\n",
+        bufLen, bufLen / (samples * frameCnt), bitRate, frameTime, samplePeriod);
 	   
       sin_samples = S_RATE/freq_Hz;	 		
 //      printf("Sin map: ");	 		
@@ -1397,10 +1402,16 @@ void get_tlm_fox() {
     if (firstTime != ON) {
       // delay for sample period
 
-/*
-      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
-        sleep((unsigned int)sleepTime);
-*/
+/**/
+//      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
+      while ((millis() - sampleTime) < (unsigned int)frameTime)
+        sleep(0.25);
+//        sleep((unsigned int)sleepTime);
+/**/
+
+/*	
+      // most recent sleep code
+      
       if (mode == FSK) {
 	sleep(2.3);  //
 	printf("Sleep time 2.3\n");
@@ -1409,8 +1420,8 @@ void get_tlm_fox() {
 	sleep(2.95); // 2.3);  
 	printf("Sleep time 2.95\n");
       }    
-
-//      printf("Sample period: %d\n", millis() - (unsigned int)sampleTime);
+*/
+      printf("Sample period: %d\n", millis() - (unsigned int)frameTime);
       
       sampleTime = (unsigned int) millis();
     } else

From 41b8756a01e86bb5a6e6c151b8e41aa656296164 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:05:30 -0400
Subject: [PATCH 02/46] changed printf to Sleep period

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index ed8f7dd7..9698c52a 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1421,7 +1421,7 @@ void get_tlm_fox() {
 	printf("Sleep time 2.95\n");
       }    
 */
-      printf("Sample period: %d\n", millis() - (unsigned int)frameTime);
+      printf("Sleep period: %d\n", ((millis() - sampleTime) < (unsigned int)frameTime));
       
       sampleTime = (unsigned int) millis();
     } else

From 95d94385f699052df1100dfd9582a16f03b19e6b Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:09:59 -0400
Subject: [PATCH 03/46] fixed sleep period, reduced sleep by 0.1 (100 ms)

---
 afsk/main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 9698c52a..eabfbb91 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1404,7 +1404,8 @@ void get_tlm_fox() {
 
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
-      while ((millis() - sampleTime) < (unsigned int)frameTime)
+     int startSleep = millis();	    
+      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))
         sleep(0.25);
 //        sleep((unsigned int)sleepTime);
 /**/
@@ -1421,7 +1422,7 @@ void get_tlm_fox() {
 	printf("Sleep time 2.95\n");
       }    
 */
-      printf("Sleep period: %d\n", ((millis() - sampleTime) < (unsigned int)frameTime));
+      printf("Sleep period: %d\n", millis() - startSleep);
       
       sampleTime = (unsigned int) millis();
     } else

From 9a0b27f2a6f2ce3116fb5db84e07992393b21a88 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:15:05 -0400
Subject: [PATCH 04/46] changed sleep(0.5)

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index eabfbb91..c52ea7c3 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1406,7 +1406,7 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
       while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))
-        sleep(0.25);
+        sleep(0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 

From a943a57ba632d4dd2a139e28024de0abbbbc8911 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:18:13 -0400
Subject: [PATCH 05/46] send twice first time for FSK too

---
 afsk/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index c52ea7c3..9684beb0 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2193,7 +2193,8 @@ void get_tlm_fox() {
       printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
     }
     
-    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
+//    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
+    if (firstTime == 1) // only do first time 
     {	  
       start = millis();  // send frame twice 
       sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);

From 9e9cf30e077ce604a73e1a6e7558e7e990b0f416 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:24:43 -0400
Subject: [PATCH 06/46] only continue firstTime if socket open

---
 afsk/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 9684beb0..2ca4db46 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2221,7 +2221,8 @@ void get_tlm_fox() {
   //    digitalWrite (0, HIGH);
 
 //  if (mode == FSK)
-    firstTime = 0;
+    if (socket_open == 1)	
+    	firstTime = 0;
 //  else if (frames_sent > 0) //5)
 //    firstTime = 0;
 

From 33df7a74556b556e964406e15ff3f1fa336e6e4b Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:39:58 -0400
Subject: [PATCH 07/46] send frame 3 times

---
 afsk/main.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 2ca4db46..f604374e 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2196,7 +2196,7 @@ void get_tlm_fox() {
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {	  
-      start = millis();  // send frame twice 
+      start = millis();  // send frame three times 
       sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
       printf("socket send 3 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
       
@@ -2206,6 +2206,16 @@ void get_tlm_fox() {
         sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
         printf("socket send 4 %d ms bytes: %d \n\n", millis() - start, sock_ret);
       }
+      start = millis();  // send frame twice 
+      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
+      printf("socket send 5 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
+      
+      if (sock_ret < (ctr * 2 + 2)) {
+  //    printf("Not resending\n");
+        sleep(0.5);
+        sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
+        printf("socket send 6 %d ms bytes: %d \n\n", millis() - start, sock_ret);
+      }
     }
 
     if (sock_ret == -1) {

From 3d830067db64de361c9f649803002303de09ecc1 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 09:49:16 -0400
Subject: [PATCH 08/46] added for loop for sending 5 times first time

---
 afsk/main.c | 35 ++++++++++++++---------------------
 1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index f604374e..6adbd623 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2195,27 +2195,20 @@ void get_tlm_fox() {
     
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
-    {	  
-      start = millis();  // send frame three times 
-      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
-      printf("socket send 3 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
-      
-      if (sock_ret < (ctr * 2 + 2)) {
-  //    printf("Not resending\n");
-        sleep(0.5);
-        sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
-        printf("socket send 4 %d ms bytes: %d \n\n", millis() - start, sock_ret);
-      }
-      start = millis();  // send frame twice 
-      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
-      printf("socket send 5 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
-      
-      if (sock_ret < (ctr * 2 + 2)) {
-  //    printf("Not resending\n");
-        sleep(0.5);
-        sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
-        printf("socket send 6 %d ms bytes: %d \n\n", millis() - start, sock_ret);
-      }
+    {	
+      for (int times = 0; times < 6; times++) 	    
+      {
+	      start = millis();  // send frame three times 
+	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
+	      printf("socket send %d in %d ms bytes: %d \n\n",times, (unsigned int)millis() - start, sock_ret);
+
+	      if (sock_ret < (ctr * 2 + 2)) {
+	  //    printf("Not resending\n");
+		sleep(0.5);
+		sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
+		printf("socket resend %d in %d ms bytes: %d \n\n",times, millis() - start, sock_ret);
+	      }
+      }    
     }
 
     if (sock_ret == -1) {

From e0c16cca58f2f8a206816f3a3ef7386f826e679d Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 10:01:33 -0400
Subject: [PATCH 09/46] reducing frameTime by 0.5 instead of 0.1

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 6adbd623..aab6c507 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1405,7 +1405,7 @@ void get_tlm_fox() {
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
-      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))
+      while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
         sleep(0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/

From c9777087447924375f0d99891c4ef8769d5c12cf Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 10:52:26 -0400
Subject: [PATCH 10/46] try sleep(1.0)

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index aab6c507..e78d0225 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1406,7 +1406,7 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
       while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
-        sleep(0.5);  // 25);
+        sleep(1.0); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 

From 0f5f521ebba1050920087e7e1bee24cfbd6c0fd8 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 10:58:40 -0400
Subject: [PATCH 11/46] try initial sleep(4.0) then while sleep(0.1)

---
 afsk/main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index e78d0225..794333ab 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1405,8 +1405,10 @@ void get_tlm_fox() {
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
-      while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
-        sleep(1.0); // 0.5);  // 25);
+     if ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
+        sleep(4.0); // 0.5);  // 25);  // initial period
+     while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
+        sleep(0.1); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 

From cacb17b43aa29f0933fabe0acd6f38c576c30b49 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:06:52 -0400
Subject: [PATCH 12/46] trying 6 times at start and sleep(3.8) fixed

---
 afsk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 794333ab..93f03931 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1406,7 +1406,7 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
-        sleep(4.0); // 0.5);  // 25);  // initial period
+        sleep(3.8); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
         sleep(0.1); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
@@ -2198,7 +2198,7 @@ void get_tlm_fox() {
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {	
-      for (int times = 0; times < 6; times++) 	    
+      for (int times = 0; times < 7; times++) 	    // FSK 4 worked, trying 6 for BPSK
       {
 	      start = millis();  // send frame three times 
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);

From bdb0786c8a9c47335e6e2cff8f08d1e41b5a88f4 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:12:10 -0400
Subject: [PATCH 13/46] 12 times at start?

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 93f03931..53427aa5 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2198,7 +2198,7 @@ void get_tlm_fox() {
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {	
-      for (int times = 0; times < 7; times++) 	    // FSK 4 worked, trying 6 for BPSK
+      for (int times = 0; times < 12; times++) 	    // FSK 4 worked, trying 6 for BPSK
       {
 	      start = millis();  // send frame three times 
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);

From 63753b29ffdc35497062ea130e7548f9ca0f4b2b Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:19:23 -0400
Subject: [PATCH 14/46] if 500ms at start, exit for loop

---
 afsk/main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 53427aa5..0d835728 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1408,7 +1408,7 @@ void get_tlm_fox() {
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
         sleep(3.8); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
-        sleep(0.1); // 0.5);  // 25);
+        sleep(0.25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 
@@ -2203,6 +2203,11 @@ void get_tlm_fox() {
 	      start = millis();  // send frame three times 
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
 	      printf("socket send %d in %d ms bytes: %d \n\n",times, (unsigned int)millis() - start, sock_ret);
+	      
+	      if ((millis() - start) > 500) {
+		      printf("Buffer filled!\n");
+		      break;
+	      }
 
 	      if (sock_ret < (ctr * 2 + 2)) {
 	  //    printf("Not resending\n");

From 44b370a74096d62d801b33d741c7ff775ff9632d Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:30:39 -0400
Subject: [PATCH 15/46] BPSK 4 times at start

---
 afsk/main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 0d835728..1594b5a5 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2198,14 +2198,14 @@ void get_tlm_fox() {
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {	
-      for (int times = 0; times < 12; times++) 	    // FSK 4 worked, trying 6 for BPSK
+      for (int times = 0; times < 4; times++) 	    // FSK 4 worked, trying 6 for BPSK
       {
-	      start = millis();  // send frame three times 
+	      start = millis();  // send frame until buffer fills
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
-	      printf("socket send %d in %d ms bytes: %d \n\n",times, (unsigned int)millis() - start, sock_ret);
+	      printf("socket send %d in %d ms bytes: %d \n\n",times + 1, (unsigned int)millis() - start, sock_ret);
 	      
 	      if ((millis() - start) > 500) {
-		      printf("Buffer filled!\n");
+		      printf("Buffer over filled!\n");
 		      break;
 	      }
 

From 1f56695531679810cad784cf65a86978bc75587b Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:35:18 -0400
Subject: [PATCH 16/46] try frameTime - 100 instead of 500

---
 afsk/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 1594b5a5..9edb3b25 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1405,9 +1405,9 @@ void get_tlm_fox() {
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
-     if ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
+     if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
         sleep(3.8); // 0.5);  // 25);  // initial period
-     while ((millis() - sampleTime) < ((unsigned int)frameTime - 500))  // was 100
+     while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
         sleep(0.25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
@@ -2202,7 +2202,7 @@ void get_tlm_fox() {
       {
 	      start = millis();  // send frame until buffer fills
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
-	      printf("socket send %d in %d ms bytes: %d \n\n",times + 1, (unsigned int)millis() - start, sock_ret);
+	      printf("socket send %d in %d ms bytes: %d \n\n",times + 2, (unsigned int)millis() - start, sock_ret);
 	      
 	      if ((millis() - start) > 500) {
 		      printf("Buffer over filled!\n");

From 4a5f707cd8fa6a3025a28b0db75a2fdb69f8cdf2 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 11:44:09 -0400
Subject: [PATCH 17/46] reset sampleTime when doing firstTme filling

---
 afsk/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 9edb3b25..7bd2c829 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2215,7 +2215,8 @@ void get_tlm_fox() {
 		sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
 		printf("socket resend %d in %d ms bytes: %d \n\n",times, millis() - start, sock_ret);
 	      }
-      }    
+      }
+      sampleTime = (unsigned int) millis(); // resetting time for sleeping
     }
 
     if (sock_ret == -1) {

From 1639ee7ad51a48f01e5e5d23844b8c7e23330921 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:00:01 -0400
Subject: [PATCH 18/46] added delay after socket refused, flushes

---
 afsk/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/afsk/main.c b/afsk/main.c
index 7bd2c829..aab656a4 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -643,6 +643,7 @@ int main(int argc, char * argv[]) {
     fclose(uptime_file);
 	  
     printf("++++ Loop time: %5.3f sec +++++\n", (millis() - loopTime)/1000.0);
+    fflush(stdout);
     loopTime = millis();
 	  	  
     if (sim_mode) { // simulated telemetry 
@@ -1412,6 +1413,9 @@ void get_tlm_fox() {
 //        sleep((unsigned int)sleepTime);
 /**/
 
+//     if ((millis() - sampleTime) < 500)    // incomplete
+      
+	    
 /*	
       // most recent sleep code
       
@@ -1425,6 +1429,7 @@ void get_tlm_fox() {
       }    
 */
       printf("Sleep period: %d\n", millis() - startSleep);
+      fflush(stdout);
       
       sampleTime = (unsigned int) millis();
     } else
@@ -2174,6 +2179,7 @@ void get_tlm_fox() {
       printf("\nConnection Failed \n");
       printf("Error: %s \n", strerror(errno));
       error = 1;
+      sleep(2.0);  // sleep if socket connection refused
     }
     if (error == 1)
     ; //rpitxStatus = -1;
@@ -2187,6 +2193,7 @@ void get_tlm_fox() {
     start = millis();
     int sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
     printf("socket send 1 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
+    fflush(stdout);	  
     
     if (sock_ret < (ctr * 2 + 2)) {
   //    printf("Not resending\n");
@@ -2217,6 +2224,7 @@ void get_tlm_fox() {
 	      }
       }
       sampleTime = (unsigned int) millis(); // resetting time for sleeping
+      fflush(stdout);
     }
 
     if (sock_ret == -1) {

From e33b160d7e2e3ee8672341fcaee602b63e054508 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:09:05 -0400
Subject: [PATCH 19/46] max for times of sending, 4 for BPSK, 6 for FSK

---
 afsk/main.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index aab656a4..b01c7d18 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2204,8 +2204,14 @@ void get_tlm_fox() {
     
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
-    {	
-      for (int times = 0; times < 4; times++) 	    // FSK 4 worked, trying 6 for BPSK
+    {
+      int max;
+      if (mode == FSK)
+	      max = 6;
+      else
+	      mex = 4;
+      
+      for (int times = 0; times < max; times++) 	    
       {
 	      start = millis();  // send frame until buffer fills
 	      sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);

From 932d803da78310aeb8979afe63f4b1ba97c76155 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:11:49 -0400
Subject: [PATCH 20/46] max typo

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index b01c7d18..bb3b6591 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2209,7 +2209,7 @@ void get_tlm_fox() {
       if (mode == FSK)
 	      max = 6;
       else
-	      mex = 4;
+	      max = 4;
       
       for (int times = 0; times < max; times++) 	    
       {

From 713c605f456049988a920c39510ac7c09b823f2e Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:28:32 -0400
Subject: [PATCH 21/46] Send Max and Min every 16 packets instead of 8 for FSK

---
 afsk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index bb3b6591..0a3f690f 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1676,7 +1676,7 @@ void get_tlm_fox() {
       }
       	  if (mode == FSK)
 	  {
-	      if (loop % 8 == 0) {
+	      if (loop % 16 == 0) {  // was 8
 		printf("Sending MIN frame \n");
 		frm_type = 0x03;
 		for (int count1 = 0; count1 < 17; count1++) {
@@ -1690,7 +1690,7 @@ void get_tlm_fox() {
 		    sensor[count1] = sensor_min[count1];
 		}
 	      }
-	      if ((loop + 4) % 8 == 0) {
+	      if ((loop + 8) % 16 == 0) {  // was 8
 		printf("Sending MAX frame \n");
 		frm_type = 0x02;
 		for (int count1 = 0; count1 < 17; count1++) {

From 11f9bffffe8bc38ffa84d9200d1a2bf5ee0b7b1e Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:35:50 -0400
Subject: [PATCH 22/46] send twice all the time

---
 afsk/main.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/afsk/main.c b/afsk/main.c
index 0a3f690f..d7bd45cc 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2201,7 +2201,17 @@ void get_tlm_fox() {
       sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
       printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
     }
+     start = millis();
+    int sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
+    printf("socket send 1a %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
+    fflush(stdout);	  
     
+    if (sock_ret < (ctr * 2 + 2)) {
+  //    printf("Not resending\n");
+      sleep(0.5);
+      sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
+      printf("socket send 2a %d ms bytes: %d \n\n", millis() - start, sock_ret);
+    }   
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {

From 88c25bf4ab6dc6bed6eb2259515fbe169ca7e11c Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:37:13 -0400
Subject: [PATCH 23/46] typo

---
 afsk/main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index d7bd45cc..95e3b301 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2201,8 +2201,9 @@ void get_tlm_fox() {
       sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
       printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
     }
-     start = millis();
-    int sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
+    if (mode == BPSK) {	  
+    start = millis();
+    sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
     printf("socket send 1a %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
     fflush(stdout);	  
     
@@ -2211,7 +2212,8 @@ void get_tlm_fox() {
       sleep(0.5);
       sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
       printf("socket send 2a %d ms bytes: %d \n\n", millis() - start, sock_ret);
-    }   
+    } 
+    }
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {

From 972a5295342527f4cfe56255bc1aea35dd70ff94 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 13:56:36 -0400
Subject: [PATCH 24/46] back to send once

---
 afsk/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 95e3b301..6c037b2c 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2201,7 +2201,7 @@ void get_tlm_fox() {
       sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
       printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
     }
-    if (mode == BPSK) {	  
+/*    if (mode == BPSK) {	  
     start = millis();
     sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
     printf("socket send 1a %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
@@ -2214,6 +2214,7 @@ void get_tlm_fox() {
       printf("socket send 2a %d ms bytes: %d \n\n", millis() - start, sock_ret);
     } 
     }
+*/	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
     if (firstTime == 1) // only do first time 
     {

From 7770c58e301ddb9b2873b469c75f886a5368b899 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 14:11:11 -0400
Subject: [PATCH 25/46] just test to see if less than 500 ms, sleep 4.0

---
 afsk/main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 6c037b2c..70d235f7 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1403,7 +1403,7 @@ void get_tlm_fox() {
     if (firstTime != ON) {
       // delay for sample period
 
-/**/
+/*
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
@@ -1411,10 +1411,10 @@ void get_tlm_fox() {
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
         sleep(0.25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
-/**/
+*/
 
-//     if ((millis() - sampleTime) < 500)    // incomplete
-      
+     if ((millis() - sampleTime) < 500)    //
+       sleep(4.0);
 	    
 /*	
       // most recent sleep code

From 56975eafefdd7e04905830cf6a2cf0ddfd840a0d Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Fri, 18 Jun 2021 14:14:11 -0400
Subject: [PATCH 26/46] typo

---
 afsk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 70d235f7..30bfafca 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1427,10 +1427,10 @@ void get_tlm_fox() {
 	sleep(2.95); // 2.3);  
 	printf("Sleep time 2.95\n");
       }    
-*/
+
       printf("Sleep period: %d\n", millis() - startSleep);
       fflush(stdout);
-      
+*/      
       sampleTime = (unsigned int) millis();
     } else
       printf("first time - no sleep\n");

From 1c9194e5ec86f751f87920c1f8fb1b7329058f19 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 09:07:57 -0400
Subject: [PATCH 27/46] 5 times plus sleep 2.3 for FSK

---
 afsk/main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 30bfafca..968b81ae 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1414,8 +1414,10 @@ void get_tlm_fox() {
 */
 
      if ((millis() - sampleTime) < 500)    //
-       sleep(4.0);
-	    
+       if (mode == BPSK)
+	  sleep(4.0);
+       else // FSK
+	  sleep(2.3);	    
 /*	
       // most recent sleep code
       
@@ -2220,7 +2222,7 @@ void get_tlm_fox() {
     {
       int max;
       if (mode == FSK)
-	      max = 6;
+	      max = 5; // was 6
       else
 	      max = 4;
       

From 0311e0b2535352f29bbd46c0ad2f06759dfac686 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 09:14:17 -0400
Subject: [PATCH 28/46] always sleep 2.3 for FSK

---
 afsk/main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 968b81ae..ea13d2dc 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1416,8 +1416,9 @@ void get_tlm_fox() {
      if ((millis() - sampleTime) < 500)    //
        if (mode == BPSK)
 	  sleep(4.0);
-       else // FSK
-	  sleep(2.3);	    
+//       else // FSK
+     if (mode == FSK)
+       sleep(2.3);	    
 /*	
       // most recent sleep code
       

From 6377e56925c8297045807b4f5d1b71c46dc1a093 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 20:23:13 -0400
Subject: [PATCH 29/46] added CPUQuota 5%

---
 systemd/cubesatsim.service | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/systemd/cubesatsim.service b/systemd/cubesatsim.service
index 5fc952d0..213fdfea 100644
--- a/systemd/cubesatsim.service
+++ b/systemd/cubesatsim.service
@@ -9,6 +9,8 @@ StandardOutput=inherit
 StandardError=inherit
 Restart=always
 User=pi
+CPUAccounting=true
+CPUQuota=5%
 
 [Install]
 WantedBy=default.target

From 1812a43cba7351b06cf12c235582d3fd92a066e5 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 20:30:44 -0400
Subject: [PATCH 30/46] max min to 32

---
 afsk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index ea13d2dc..c3649369 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1679,7 +1679,7 @@ void get_tlm_fox() {
       }
       	  if (mode == FSK)
 	  {
-	      if (loop % 16 == 0) {  // was 8
+	      if (loop % 32 == 0) {  // was 8
 		printf("Sending MIN frame \n");
 		frm_type = 0x03;
 		for (int count1 = 0; count1 < 17; count1++) {
@@ -1693,7 +1693,7 @@ void get_tlm_fox() {
 		    sensor[count1] = sensor_min[count1];
 		}
 	      }
-	      if ((loop + 8) % 16 == 0) {  // was 8
+	      if ((loop + 16) % 32 == 0) {  // was 8
 		printf("Sending MAX frame \n");
 		frm_type = 0x02;
 		for (int count1 = 0; count1 < 17; count1++) {

From 6be0dbf3d1a4832d409bb1a41a2a4833c491948c Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 22:48:28 -0400
Subject: [PATCH 31/46] added back in frameTime sleeping for both FSK and BPSK

---
 afsk/main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index c3649369..2914ae11 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1403,22 +1403,24 @@ void get_tlm_fox() {
     if (firstTime != ON) {
       // delay for sample period
 
-/*
+/**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
         sleep(3.8); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
-        sleep(0.25); // 0.5);  // 25);
+        sleep(0.1); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
-*/
+/**/
 
+/*	    
      if ((millis() - sampleTime) < 500)    //
        if (mode == BPSK)
 	  sleep(4.0);
 //       else // FSK
      if (mode == FSK)
        sleep(2.3);	    
+*/
 /*	
       // most recent sleep code
       

From e2f2d49582fa1e39ab92270661ace76e817ad8a3 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 23:02:35 -0400
Subject: [PATCH 32/46] Update main.c

---
 afsk/main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 2914ae11..ae85aba8 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1407,9 +1407,9 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
-        sleep(3.8); // 0.5);  // 25);  // initial period
+        sleep(3.5); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
-        sleep(0.1); // 25); // 0.5);  // 25);
+        sleep(0.25); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 
@@ -1432,10 +1432,10 @@ void get_tlm_fox() {
 	sleep(2.95); // 2.3);  
 	printf("Sleep time 2.95\n");
       }    
-
+*/
       printf("Sleep period: %d\n", millis() - startSleep);
       fflush(stdout);
-*/      
+      
       sampleTime = (unsigned int) millis();
     } else
       printf("first time - no sleep\n");

From d5d9303ffd82a58721b6ddd0766f304b1c3463d2 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 19 Jun 2021 23:11:03 -0400
Subject: [PATCH 33/46] Update main.c

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index ae85aba8..0fce7065 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1407,7 +1407,7 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
-        sleep(3.5); // 0.5);  // 25);  // initial period
+        sleep(2.5); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
         sleep(0.25); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);

From aabb4066cef237d56e89a1de00207263a425cd06 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 05:39:53 -0400
Subject: [PATCH 34/46] sleep 2 and - 250

---
 afsk/main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 0fce7065..fd98280b 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -600,10 +600,10 @@ int main(int argc, char * argv[]) {
       samples = S_RATE / bitRate;
       bufLen = (frameCnt * (syncBits + 10 * (headerLen + rsFrames * (rsFrameLen + parityLen))) * samples);
 
-      //   samplePeriod = ((float)((syncBits + 10 * (headerLen + rsFrames * (rsFrameLen + parityLen))))/(float)bitRate) * 1000 - 1800;
+         samplePeriod = ((float)((syncBits + 10 * (headerLen + rsFrames * (rsFrameLen + parityLen))))/(float)bitRate) * 1000 - 1800;
       //    samplePeriod = 3000;
       //    sleepTime = 3.0;
-      samplePeriod = 2200; // reduce dut to python and sensor querying delays
+      //samplePeriod = 2200; // reduce dut to python and sensor querying delays
       sleepTime = 2.2f;
 	   
       frameTime = ((float)((float)bufLen / (samples * frameCnt * bitRate))) * 1000; // frame time in ms
@@ -1406,9 +1406,9 @@ void get_tlm_fox() {
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
-     if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
-        sleep(2.5); // 0.5);  // 25);  // initial period
-     while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
+     if ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 100 500 for FSK
+        sleep(2.0); // 0.5);  // 25);  // initial period
+     while ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 100
         sleep(0.25); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/

From bcc9e49d4145aeea641ca07995cc08397b945348 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 09:42:37 -0400
Subject: [PATCH 35/46] sleep 0.1

---
 afsk/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index fd98280b..2e07e6ae 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1406,10 +1406,10 @@ void get_tlm_fox() {
 /**/
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
-     if ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 100 500 for FSK
+     if ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 250 100 500 for FSK
         sleep(2.0); // 0.5);  // 25);  // initial period
-     while ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 100
-        sleep(0.25); // 25); // 0.5);  // 25);
+     while ((millis() - sampleTime) < ((unsigned int)frameTime - 250))  // was 250 100
+        sleep(0.1); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 

From 2bbd9489ff87f8d6ea5639345aad2dd7eae9e047 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 10:33:21 -0400
Subject: [PATCH 36/46] fill buffer every 32 samples

---
 afsk/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 2e07e6ae..4f30530f 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2221,8 +2221,8 @@ void get_tlm_fox() {
     }
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
-    if (firstTime == 1) // only do first time 
-    {
+//    if (firstTime == 1) // only do first time 
+    if ((firstTime == 1) || ((loop_count % 32) == 0)) // do first time and every 32 samples     {
       int max;
       if (mode == FSK)
 	      max = 5; // was 6

From cb28bc05bc77c44c50ee63a9ffd38adbc5aea8f6 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 10:35:32 -0400
Subject: [PATCH 37/46] typo

---
 afsk/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 4f30530f..d72f8d73 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,8 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count % 32) == 0)) // do first time and every 32 samples     {
+    if ((firstTime == 1) || ((loop_count % 32) == 0)) // do first time and every 32 samples
+    {
       int max;
       if (mode == FSK)
 	      max = 5; // was 6

From cc8c1a8e34f24b66c0004bfcb4f19cc61d18909a Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 10:40:28 -0400
Subject: [PATCH 38/46] increment loop_count

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index d72f8d73..44d487d1 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count % 32) == 0)) // do first time and every 32 samples
+    if ((firstTime == 1) || ((loop_count++ % 32) == 0)) // do first time and every 32 samples
     {
       int max;
       if (mode == FSK)

From 21cd65031c5da43d9559266aad57c66d7054493e Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 11:01:29 -0400
Subject: [PATCH 39/46] reduce max by 1

---
 afsk/main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 44d487d1..2e2be182 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2226,7 +2226,10 @@ void get_tlm_fox() {
     {
       int max;
       if (mode == FSK)
-	      max = 5; // was 6
+	      if (firstTime == 1)
+	      	max = 4;  // 5; // was 6
+              else
+		max = 3;
       else
 	      max = 4;
       

From 97f8e373fffb8dbec9d51a4aa6dbce0d2721bbf1 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 11:10:01 -0400
Subject: [PATCH 40/46] 128 loop reset

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 2e2be182..83c7fe94 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count++ % 32) == 0)) // do first time and every 32 samples
+    if ((firstTime == 1) || ((loop_count++ % 128) == 0)) // do first time and every 32 samples
     {
       int max;
       if (mode == FSK)

From 61d2f67a04d1812febadf4a27f52fb3ad390671e Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 11:39:45 -0400
Subject: [PATCH 41/46] every 360 samples

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 83c7fe94..445e248e 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count++ % 128) == 0)) // do first time and every 32 samples
+    if ((firstTime == 1) || ((loop_count++ % 360) == 0)) // do first time and was every 128 samples
     {
       int max;
       if (mode == FSK)

From afa3fb1999ad036a4d564092920be185d1a8785f Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 12:05:15 -0400
Subject: [PATCH 42/46] 180 samples

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index 445e248e..9fca9052 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count++ % 360) == 0)) // do first time and was every 128 samples
+    if ((firstTime == 1) || ((loop_count++ % 180) == 0)) // do first time and was every 180 samples
     {
       int max;
       if (mode == FSK)

From 78f83a483ff6afd096c23560882a4de9c3e322f1 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 12:30:58 -0400
Subject: [PATCH 43/46] BPSK in 80 frames

---
 afsk/main.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/afsk/main.c b/afsk/main.c
index 9fca9052..bcaf11c4 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count++ % 180) == 0)) // do first time and was every 180 samples
+    if ((firstTime == 1) || (((loop_count++ % 180) == 0) && (mode = FSK)) || ((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
     {
       int max;
       if (mode == FSK)
@@ -2230,9 +2230,12 @@ void get_tlm_fox() {
 	      	max = 4;  // 5; // was 6
               else
 		max = 3;
-      else
-	      max = 4;
-      
+      else  
+ 	      if (firstTime == 1)
+	      	max = 5;  // 5; // was 6
+              else
+		max = 4;  
+	    
       for (int times = 0; times < max; times++) 	    
       {
 	      start = millis();  // send frame until buffer fills
@@ -2253,6 +2256,8 @@ void get_tlm_fox() {
       }
       sampleTime = (unsigned int) millis(); // resetting time for sleeping
       fflush(stdout);
+//      if (firstTime == 1)
+//	      max -= 1;
     }
 
     if (sock_ret == -1) {

From 41bfbcaea4ecbaa87d2b2846557f8afbf0251566 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 12:32:21 -0400
Subject: [PATCH 44/46] typo (

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index bcaf11c4..c9e7850a 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || (((loop_count++ % 180) == 0) && (mode = FSK)) || ((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
+    if ((firstTime == 1) || ((loop_count++ % 180) == 0) && (mode = FSK)) || ((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
     {
       int max;
       if (mode == FSK)

From ae2eaa5fc36f0e0c1a07af824cf6febfaeafcbaa Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 12:35:55 -0400
Subject: [PATCH 45/46] fix ()

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index c9e7850a..c1cf6ed3 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || ((loop_count++ % 180) == 0) && (mode = FSK)) || ((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
+    if ((firstTime == 1) || (((loop_count++ % 180) == 0) && (mode = FSK)) || (((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
     {
       int max;
       if (mode == FSK)

From 41d2c44e67cd08f3e0e3dc8355c797e4a45eed5a Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Jun 2021 13:45:18 -0400
Subject: [PATCH 46/46] == bug

---
 afsk/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/afsk/main.c b/afsk/main.c
index c1cf6ed3..d896f0c9 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -2222,7 +2222,7 @@ void get_tlm_fox() {
 */	  
 //    if ((mode == BPSK) && (firstTime == 1)) // only do first time 
 //    if (firstTime == 1) // only do first time 
-    if ((firstTime == 1) || (((loop_count++ % 180) == 0) && (mode = FSK)) || (((loop_count++ % 80) == 0) && (mode = BPSK))) // do first time and was every 180 samples
+    if ((firstTime == 1) || (((loop_count++ % 180) == 0) && (mode == FSK)) || (((loop_count++ % 80) == 0) && (mode == BPSK))) // do first time and was every 180 samples
     {
       int max;
       if (mode == FSK)